In a plant cell undergoing mitosis, a mutation disrupts the function of phragmoplastin. Which stage of mitosis will be most directly affected, and what would be the observable consequence?
Prophase; failure of chromosome condensation
Metaphase; misalignment of chromosomes at the metaphase plate
Anaphase; inability of sister chromatids to separate
Cytokinesis; incomplete cell wall formation
Related Questions
Consider the following statements about plant cytokinesis
I. It usually occurs by cell plate method
II. The spindle usually persists during cytokinesis
III. Cell plate grows centrifugally
Which of the statements given above are correct?
I and II
I and III
II and III
I, II and III
A plant cell at telophase contains 48 chromosomes, while other cells at the same stage have 24. No cell plate is observed. What type of cell has likely been formed?
Haploid cell
Diploid cell
Triploid cell
Polyploid cell
Choose the correct sequence of two main events in mitosis
Karyokinesis followed by cytokinesis
Cytokinesis followed by karyokinesis
Karyokinesis followed by separation of the daughter cells
Cytokinesis followed by separation of the daughter cells
A student observes a plant cell at telophase that lacks a cell plate. This cell has double the chromosome number compared to other cells at telophase. What is the likely outcome of this observation?
Formation of a polyploid cell
Cell death
Normal cell division
Formation of two daughter cells
In a plant cell undergoing mitosis, a mutation disrupts the function of phragmoplastin. Which stage of mitosis will be most directly affected, and what would be the observable consequence?
Prophase; failure of chromosome condensation
Metaphase; misalignment of chromosomes at the metaphase plate
Anaphase; inability of sister chromatids to separate
Cytokinesis; incomplete cell wall formation
If cytokinesis fails during telophase in a plant cell, what would be the observed chromosome number in the resulting cell, and what structure would be missing?
Half the normal number; cell wall
Double the normal number; cell plate
Normal number; nuclear membrane
Triple the normal number; spindle fibers
During telophase, a plant cell is observed to have twice the number of chromosomes as other cells at the same stage. No cell plate is forming. This suggests a problem with which process, and what is the likely consequence?
Mitosis; cell death
Meiosis; formation of gametes
Cytokinesis; polyploid cell formation
Interphase; DNA replication error
Consider the following statements about plant cytokinesis
I. It usually occurs by cell plate method
II. The spindle usually persists during cytokinesis
III. Cell plate grows centrifugally
Which of the statements given above are correct?
I and II
I and III
II and III
I, II and III
The M-phase starts with the β¦Aβ¦, corresponding to the separation of daughter chromosomes, known as β¦Bβ¦ and usually ends with division of cytoplasm which is known as β¦Cβ¦
Identify A-C to complete the given NCERT statement
A-cell division; B-cytokinesis; C-karyokinesis
A-nuclear division; B-karyokinesis; C-cytokinesis
A-cell division; B-karyokinesis; C-cytokinesis
A-nuclear division; B-cytokinesis; C-karyokinesis
Which stages of mitosis is known for occurrence of cytokinesis?
Metaphase
Telophase
Anaphase
None of these